if p (x) = 5- 4x +2x2 (x to the power 2) , find p (0) and p (-2).
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p(x)= 5 -4x +2x²
p(0) means that you have to put x = 0, in the expression p(x). Similarly for p(-2), you have to out x = -2 in p(x).
p(0) = 5 -4×0+2× 0² = 5
p(-2) = 5 -5×(-2)+ 2×(-2)²
= 5 +10 +8 = 23
p(0) means that you have to put x = 0, in the expression p(x). Similarly for p(-2), you have to out x = -2 in p(x).
p(0) = 5 -4×0+2× 0² = 5
p(-2) = 5 -5×(-2)+ 2×(-2)²
= 5 +10 +8 = 23
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